Get things done, make something fun, and share it with a friend.
Plan timed topics, assign owners, and share a clear meeting agenda.
Create shopping, travel, and work checklists to send to friends.
Track who paid on a trip and work out who owes whom.
Add choices, spin the wheel, and share your next decision with friends.
Design a birthday, thank-you, or encouragement card. Share a link or image.
Create a countdown to a birthday, trip, or big day and invite friends to count along.
Check your Body Mass Index and see your healthy weight range.
Work out an exact age in years, months, and days — plus the next birthday.
Count the days, weeks, and months between any two dates.
Work out the tip and split the bill across friends.
See the final price and exactly how much you save on a sale.
Convert length, weight, temperature, volume, speed, data, and time.
Estimate monthly payments and total interest before you borrow.
Count words, characters, sentences, and reading time as you type.
Countdown timer with presets and a stopwatch with laps.
Create strong random passwords with exactly the character sets you want.
A scratchpad that saves itself in your browser — copy or download anytime.
Flip a coin, roll dice, draw a number, or pick a name from a list.
Convert and resize images between PNG, JPEG, and WebP.
Erase plain backgrounds from photos and export transparent PNGs.
Combine several PDFs into one document, in your chosen order.
Pull out the pages you need, or split a PDF into one file per page.
Turn photos and scans into a single PDF with clean page layouts.
Render PDF pages as PNG images — download individually or as a ZIP.
Convert Excel or CSV files into CSV or JSON, sheet by sheet.
Answer the three everyday percentage questions in one place.
Build a clean invoice with line items and print it straight to PDF.
Draw a signature with mouse or finger and save it as a transparent PNG.
Type or tap full expressions — powers, roots, trig — with live results and history.
Solve linear and quadratic equations step by step, real or complex roots.
Add, subtract, multiply, and divide fractions with simplified results.
Paste a list of numbers for mean, median, mode, spread, and more.
Prime factorization, divisors, primality, GCD, and LCM in one place.
Convert numbers between binary, octal, decimal, hex, and any base up to 36.
Format, validate, and minify JSON with precise error positions.
Decode JWT headers, claims, and expiry details without sending the token anywhere.
Encode or decode Base64, UTF-8 safe in both directions.
Generate cryptographically random UUID v4s in bulk.
Convert between HEX, RGB, and HSL with a live swatch preview.
Convert Unix seconds or milliseconds to human-readable dates.
Encode or decode full URLs and query string components.
Hash any text into a SHA-256 digest, entirely in your browser.
Generate placeholder paragraphs, sentences, or words on demand.
Compare two texts line by line, side by side or inline.
Test regular expressions with live match highlights and group lists.
Turn any text into a clean, URL-safe slug, ASCII or Unicode.
Design QR codes with custom colors, dot styles, and a logo. Download PNG or SVG.